If there are 23 students in your class, and your teacher is pulling random names from a hat, what is the probability that your name will be pulled on the third pull?
3/21
3/23
1/23
1/21

Answers

Answer 1

If the teacher isn't putting the names back in the hat then it would be 1/21 if she is then 1/23


Related Questions

List all the multiples of 3 less than 14.

Answers

Answer:

3, 6, 9, 12

Step-by-step explanation:

3 × 1 = 3

3 × 2 = 6

3 × 3 = 9

3 × 4 = 12

Answer:

3 6 9 12

Step-by-step explanation:

1 x 3 = 3

2 x 3 = 6

3 x 3= = 9

3 x 4 = 12

3 x 5 = 15 <------ TOO MUCH

Multiples are numbers that can be divided by that number you are finding out the multiples.

Bilbo found a great deal on rings. He bought a ring for 70% of the original price. If he saved $45, what was the original price?

Answers

Answer: $150

Step-by-step explanation:

If Bilbo bought the ring for 70% of the original price, this means that he saved:

= 100% - 70%

= 30%

$45 is therefore 30% of the original price.

Assuming the original price is x:

30% * x = 45

x = 45/30%

x = $150

what type of question can be solved using Cramer's rule?

Answers

Answer:

check the pdf .

Step-by-step explanation:

i need heeeeeelp please and thank you :)

Answers

The answer the the question is A.


Springs are used to measure the mass of objects. The extension of a spring, E centimeters, is
directly proportional to the mass, M kilograms, of the object hanging from the spring. A 4-kg
load stretches a spring by 2.5 cm. If a 6-kg load is hung on the spring, find the extension of the
spring in centimeters.

Answers

Answer:

The extension of the 6-kg load is 3.75 cm

Step-by-step explanation:

4/2.5 = 6/x

Cross multiply:

4x = 15

15/4 = x

x = 3.75

Help, this is confusing for me

Answers

Answer:

B: 163,343

Step-by-step explanation:

V=πr²h 34²=1156, 1156×45=52020, 52020×3.14(π)=163,342.8, then round up.

How do you find this answer?

Answers

Answer:

if we use Pythagorean method, we  could know that A^2+B^2=C^2, so 5^2+12^2 equals 169, and 169 is 13^2

Step-by-step explanation:

A right triangle has legs fand g. The length of f = 11 inches.m m angle G=73^ What is the length of leg g to the nearest tenth?

Answers

The length of leg g given the length of leg f and angle G in the right triangle is 36.3 inches.

What is the length of leg g ?

A right triangle is a 3 sided polygon that is made up of an hypotenuse. One of the angles measure 90 degrees.

G = Tan G x f

Tan 73 x 11

3.3 x 11 = 36.3 inches

To learn more about trigonometry, please check: https://brainly.com/question/22782564

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Help I’ll give brainliest!

Answers

Answer:

-2.8

Step-by-step explanation:

Gradient/slope = [tex]\frac{-11 - 3}{3--2}[/tex] (change in y / change in x)

= [tex]\frac{-11 - 3}{3+2}[/tex] =[tex]\frac{-14}{5}[/tex]= -2.8

A student has taken three math tests so far this semester. His scores for the first three tests were 65​, 67​, and 69. Suppose his test scores continue to improve at the same rate. What will be his grade on the sixth​ (and final)​ test? What will be his total score for all six​ tests?

Answers

Answer:

75

Step-by-step explanation:

Scores for his first tests were 65, 67, 69.

Rate of change: +2

y=2x+63; 63 is the 0th test he took, his first test was 65, so 65-2=63. 2x is the rate of change, his tests scores increase by 2 each time.

x=6, 6th test score

y=2(6)+63

y=12+63

y=75

So, on his 6th test he will get a score of 75

HELP PLSSSSSSSSSSSSSSSSSSSSSSSSS

Answers

Answer:

the answer is what you think it is fam on foenem

Cuanto de dos mas dos

Answers

Answer:

Probably 4

Step-by-step explanation:

My day was pretty great, so I felt like answering this question to help out in any way possible. I hope to hear about your day, too, soon!

Which transformation carries the regular pentagon onto itself?

Answers

Answer: rotations

With regard to the regular pentagon, the student describes the center of rotation as the point where the diagonals intersect. The student indicates that rotations of degree 72, 144, 216, 288, and 360 clockwise and counterclockwise about this point will carry the pentagon onto itself.

HOPE THIS HELPS

Mara carried water bottles to the field to share with her team at halftime. The water bottles weighed a total of 60x2 + 48x + 24 ounces.

Which factorization could represent the number of water bottles and weight of each water bottle?

6(10x2 + 8x + 2)
12(5x2 + 4x + 2)
6x(10x2 + 8x + 2)
12x(5x2 + 4x + 2)

Answers

The answer is B. 12(5x^2+4x+2)

Answer: 12(5x2 + 4x + 2) is correct answer

Step-by-step explanation:

60x2 + 48x + 24  

if we take 6 as a common factor

6(10x^2+8x+4)     so first option is not true

if we take 12 as a common factor

12(5x2 + 4x + 2)

6x & 12x can not  be taken as common factor..

so the correct option is 2nd one..

6+1+7+8+9+5+4+6+7+7+7+7+7

Answers

Answer:81

Step-by-step explanation: calculator cause I got Mind jambled-

Answer:

[tex]81[/tex]

Step-by-step explanation:

6 + 1 + 7 = 14

8 + 9 + 5 = 22

4 + 6 + 7 = 17

7 + 7 + 7 + 7 = 21.

now add all of the results together.

14 + 22 + 17 + 21 = 81

hence, the answer is 81.

The formula for the area of a circle is A = π r^2? Which equation shows the formula in terms of r?

Answers

The correct answer is C

Help please will give brainiest
Write the equation of the line in Slope-Intercept Form.
(0,4) (3,2)

Answers

Answer:

y = -3/2x+ 4

Step-by-step explanation:

A city manager made a scatter plot of the number of retail stores in a certain city over the years. The scatter plot had a trend line with an equation of y = 11x + 12, where y is the total number of retail stores and x is the number of years since 1990 Mark and his family moved to the city in 1997. Use the equation to predict how many retail stores there were in 1997.

Answers

If the number of the years will be 7. Then the number of the retail stores will be 89.

What is the linear system?

A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.

A city manager made a scatter plot of the number of retail stores in a certain city over the years.

The scatter plot had a trend line with an equation of y = 11x + 12, where y is the total number of retail stores and x is the number of years since 1990 Mark and his family moved to the city in 1997.

Use the equation to predict the number of retail stores there were in 1997 will be

The number of the years will be

x = 1997 - 1990

x = 7 years

Then we have

y = 11 × 7 + 12

y = 77 + 12

y = 89

More about the linear system link is given below.

https://brainly.com/question/20379472

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What is the length of the unknown
leg of the right triangle?

Answers

Answer:

2ft

Step-by-step explanation:

Kayla is financing $168,125 to purchase a house. She obtained a 25/8 balloon mortgage at 3.85%. What will her balloon payment be

Answers

Answer:

$130,626.56

Step-by-step explanation:

Kayla is financing $168,125 to purchase a house. She obtained a 25/8 balloon mortgage at 3.85%. What will her balloon payment be?

We are told that: She obtained a 25/8 balloon mortgage at 3.85%

This means the loan is amortized for 25 years and she would be monthly payment for 8 years before making the balloon payment.

Step 1

We find Monthly payments

Pmt = (A * i * (1 + i)ⁿ) / ((1 + i)ⁿ - 1)

Where:

Pmt - monthly payment;

A - Loan amount = $168,125

i - periodic interest rate = 3.85% = 0.0385

and

n - number of periods =

1 year = 12 months

8 years = x

x = 8 × 12 months = 96 months

n = 96 months

Pmt = (168,125 × 0.0385 * (1 + 0.0385)⁹⁶) / ((1 + 0.0385)⁹⁶- 1)

Pmt = $873.56

Step 2

When we find the monthly payment, we can compute the balance due after the term of a balloon loan.

B = (A * (1 + i)ⁿᵇ) - Pmt / i * ((1 + i)ⁿᵇ - 1)

Where:

B - Balloon payment

nb - Number of balloon loan periods =

Pmt - Monthly payment = $873.56

B = (168,125 × (1 + 0.0385)⁹⁶) - 873.56 / 0.0385 × ((1 + 0.0385)⁹⁶- 1)

B = $130,626.56

50 pt = ?gal

50 pt = ?pt

PLEASE HELPPPP ‍

Answers

Answer:

50 pints is 6.25 gallons.

What do you mean by the second one?

Step-by-step explanation:

50 ÷ 8 = 6.25

Answer:

50 pints is 6.25 gallons.

50 ÷ 8 = 6.25

Step-by-step explanation:

plz help with both questions (no link plz) 15 point and will make brainly

Answers

Answer:

question 5) 340.5

Step-by-step explanation:

abigails decorating buissness charge for every hour = $100+$13.50= 113.5

for 3 hour charges will be= 113.5 x 3= 340.5

hope it helps ❤️

The perimeter of a rectangular school yard is 428 meters. It is 100 meters wide. How long is it?

Answers

Answer:

i dont think theres engouh info to answer that

Step-by-step explanation:

So first you want to do: 100(2)=200 then you subtract 200 from 428 which =228
Then do 228/2= 114
So the rectangle is 114 meters long

Evaluate:
-6 ÷ 3
(-2)(-3)
8 - 4 ÷ -2
14 - 8 ÷ 4 × 0(5 - 3)

Answers

-6 ÷ 3=__

6 ÷ 3=2

-+2

=-2

(-2)(-3)=__

-2*-3

=6

8 - 4 ÷ -2=__

4÷-2=-2

8--2

=10

4 - 8 ÷ 4 × 0(5 - 3)

=4

hope this helped ○( ^皿^)っ

20 points!!! Permutations and combinations question.

Answers

Answer:

7,9,10

hope it helps

have a good night

3 numbers are in arithmetic progression their sum is15 and their product is 80 determine the 3 numbers

Answers

Answer:

2, 5, 8

Step-by-step explanation:

For starters, let us assume that the numbers are x-d, x, and x+d.

Where d is the common difference between terms.

This mean that we can say, from the question

x-d + x + x+d = 15

3x = 15,

x = 5,

This means that the terms are 5, 5-d and 5+d.

On the other hand,

(5-d) * 5 * (5+d) = 80

(5-d) * (5+d) = 80/5

(5-d) * (5+d) = 16

25 - d² = 16

d² = 9

d = + or - 3.

Finally, the three numbers will be 2, 5, and 8. On the flipside, their sum and product are 15 and 80.

A recipe calls for 1/2 of a teaspoon of sugar for every 15 cookies. If you are going to make 75 cookies for a party, how many teaspoon of sugar will you use.

Answers

Answer:

2.5 teaspoons

Step-by-step explanation:

75/15 = 5

1/2 · 5 = 2.5

Answer:

2.5 teaspoons of sugar

Step-by-step explanation:

[tex]\frac{15}{0.5} =\frac{75}{y}[/tex]

Cross multiply.

15 × y = 0.5 × 75

15y = 37.5

15y ÷ 15 = 37.5 ÷ 15

y = 2.5

The maintenance crew of a hotel has to monitor the temperature of the hotel pool and hot tub. To enhance comfort, the management team requests that the mean pool temperature and the mean hot tub temperatures not differ by more than 15 degrees. To estimate the difference in these mean temperatures the maintenance crew selects a random sample of 8 times to check the hot tub temperature and a random sample of 10 times to check the pool temperature. Although the sample sizes are small, the distribution of temperature for the pool and for the hot tub does not show strong skewness or any outliers. The mean pool temperature is 86 degrees with a standard deviation of 3 degrees. The mean hot tub temperature is 101 with a standard deviation of 1.8 degrees. What is the correct 95% confidence interval for the true difference in the population means (hot tub – pool)? Use the conservative df.

Answers

Answer: Option D

Explanation: 100%

more of my brothers wwork for yalll have fun and tysm!

Answers

Answer: 3/4 x 48
3 x 12
= 36

Got 12 by reducing the numbers with the Greatest Common Factor (GCF) 4

Answer:

i cant wait to start are life together, with are son. im so thankful for u becca. ily

Step-by-step explanation:

select the inequality that is represented by the number line below
NO LINKS OR I WILL REPORT

Answers

The answer is choice A :)

Answer:

a) x<0

Step-by-step explanation:

the circle is not solid so it’s just a less than a sign and the arrow is going less than 0 so x is less than 0 is the answer

hope this helps :)

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